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export const description = `
Stress tests covering robustness in the presence of non-halting shaders.
`;
import { makeTestGroup } from '../../common/framework/test_group.js';
import { GPUTest } from '../../webgpu/gpu_test.js';
export const g = makeTestGroup(GPUTest);
g.test('compute')
.desc(
`Tests execution of compute passes with non-halting dispatch operations.
This is expected to hang for a bit, but it should ultimately result in graceful
device loss.`
)
.fn(async t => {
const data = new Uint32Array([0]);
const buffer = t.makeBufferWithContents(data, GPUBufferUsage.STORAGE | GPUBufferUsage.COPY_SRC);
const module = t.device.createShaderModule({
code: `
struct Buffer { data: u32, };
@group(0) @binding(0) var<storage, read_write> buffer: Buffer;
@compute @workgroup_size(1) fn main() {
loop {
if (buffer.data == 1u) {
break;
}
buffer.data = buffer.data + 2u;
}
}
`,
});
const pipeline = t.device.createComputePipeline({
layout: 'auto',
compute: { module, entryPoint: 'main' },
});
const encoder = t.device.createCommandEncoder();
const pass = encoder.beginComputePass();
pass.setPipeline(pipeline);
const bindGroup = t.device.createBindGroup({
layout: pipeline.getBindGroupLayout(0),
entries: [{ binding: 0, resource: { buffer } }],
});
pass.setBindGroup(0, bindGroup);
pass.dispatchWorkgroups(1);
pass.end();
t.device.queue.submit([encoder.finish()]);
await t.device.lost;
});
g.test('vertex')
.desc(
`Tests execution of render passes with a non-halting vertex stage.
This is expected to hang for a bit, but it should ultimately result in graceful
device loss.`
)
.fn(async t => {
const module = t.device.createShaderModule({
code: `
struct Data { counter: u32, increment: u32, };
@group(0) @binding(0) var<uniform> data: Data;
@vertex fn vmain() -> @builtin(position) vec4<f32> {
var counter: u32 = data.counter;
loop {
if (counter % 2u == 1u) {
break;
}
counter = counter + data.increment;
}
return vec4<f32>(1.0, 1.0, 0.0, f32(counter));
}
@fragment fn fmain() -> @location(0) vec4<f32> {
return vec4<f32>(1.0);
}
`,
});
const pipeline = t.device.createRenderPipeline({
layout: 'auto',
vertex: { module, entryPoint: 'vmain', buffers: [] },
primitive: { topology: 'point-list' },
fragment: {
targets: [{ format: 'rgba8unorm' }],
module,
entryPoint: 'fmain',
},
});
const uniforms = t.makeBufferWithContents(new Uint32Array([0, 2]), GPUBufferUsage.UNIFORM);
const bindGroup = t.device.createBindGroup({
layout: pipeline.getBindGroupLayout(0),
entries: [
{
binding: 0,
resource: { buffer: uniforms },
},
],
});
const renderTarget = t.device.createTexture({
size: [1, 1],
usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC,
format: 'rgba8unorm',
});
const encoder = t.device.createCommandEncoder();
const pass = encoder.beginRenderPass({
colorAttachments: [
{
view: renderTarget.createView(),
clearValue: [0, 0, 0, 0],
loadOp: 'clear',
storeOp: 'store',
},
],
});
pass.setPipeline(pipeline);
pass.setBindGroup(0, bindGroup);
pass.draw(1);
pass.end();
t.device.queue.submit([encoder.finish()]);
await t.device.lost;
});
g.test('fragment')
.desc(
`Tests execution of render passes with a non-halting fragment stage.
This is expected to hang for a bit, but it should ultimately result in graceful
device loss.`
)
.fn(async t => {
const module = t.device.createShaderModule({
code: `
struct Data { counter: u32, increment: u32, };
@group(0) @binding(0) var<uniform> data: Data;
@vertex fn vmain() -> @builtin(position) vec4<f32> {
return vec4<f32>(0.0, 0.0, 0.0, 1.0);
}
@fragment fn fmain() -> @location(0) vec4<f32> {
var counter: u32 = data.counter;
loop {
if (counter % 2u == 1u) {
break;
}
counter = counter + data.increment;
}
return vec4<f32>(1.0 / f32(counter), 0.0, 0.0, 1.0);
}
`,
});
const pipeline = t.device.createRenderPipeline({
layout: 'auto',
vertex: { module, entryPoint: 'vmain', buffers: [] },
primitive: { topology: 'point-list' },
fragment: {
targets: [{ format: 'rgba8unorm' }],
module,
entryPoint: 'fmain',
},
});
const uniforms = t.makeBufferWithContents(new Uint32Array([0, 2]), GPUBufferUsage.UNIFORM);
const bindGroup = t.device.createBindGroup({
layout: pipeline.getBindGroupLayout(0),
entries: [
{
binding: 0,
resource: { buffer: uniforms },
},
],
});
const renderTarget = t.device.createTexture({
size: [1, 1],
usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC,
format: 'rgba8unorm',
});
const encoder = t.device.createCommandEncoder();
const pass = encoder.beginRenderPass({
colorAttachments: [
{
view: renderTarget.createView(),
clearValue: [0, 0, 0, 0],
loadOp: 'clear',
storeOp: 'store',
},
],
});
pass.setPipeline(pipeline);
pass.setBindGroup(0, bindGroup);
pass.draw(1);
pass.end();
t.device.queue.submit([encoder.finish()]);
await t.device.lost;
});
|
